View Compilation Error

0_0_17570450_24060.cpp: In function 'int main()':
0_0_17570450_24060.cpp:93:2: error: 'point' was not declared in this scope
  point tmp;
  ^
0_0_17570450_24060.cpp:97:10: error: 'mp' was not declared in this scope
   memset(mp,'*',sizeof(mp));
          ^
0_0_17570450_24060.cpp:102:3: error: 'tmp' was not declared in this scope
   tmp.x=1;
   ^